Finding the Fourth Proportional to 1,587,724,888.88, 2,191,062,148.80 and 882,861,736.88
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Solution
The fourth proportional to 1,587,724,888.88, 2,191,062,148.80 and 882,861,736.88 is: 1,218,350,198.99
Step by Step Solution
- Step 1: Write the proportion equation
1,587,724,888.88 : 2,191,062,148.80 = 882,861,736.88 : x - Step 2: Convert to fraction form
1,587,724,888.88/2,191,062,148.80 = 882,861,736.88/x - Step 3: Cross multiply
1,587,724,888.88x = 2,191,062,148.80 × 882,861,736.88 - Step 4: Simplify right side
1,587,724,888.88x = 1,934,404,934,301,593,088 - Step 5: Solve for x
x = 1,934,404,934,301,593,088/1,587,724,888.88 - Step 6: Final answer
x = 1,218,350,198.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.